Waste Water Engineering Hume steel pipes are Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Air pressure pump Reciprocating pump Centrifugal pump Pneumatic ejector Air pressure pump Reciprocating pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is Methane (CH4) Hydrogen sulphide (H2S) All listed here Carbon dioxide (CO2) Methane (CH4) Hydrogen sulphide (H2S) All listed here Carbon dioxide (CO2) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Hydraulically Mechanically Electrically Manually Hydraulically Mechanically Electrically Manually ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as None of these Free ammonia Nitrates Nitrites None of these Free ammonia Nitrates Nitrites ANSWER DOWNLOAD EXAMIANS APP
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